Odile FavaronHosein KaramiSeyed Mahmoud SheikholeslamiBounding the total domination subdivision number of a graph in terms of its order.209-218201121J. Comb. Optim.2http://dx.doi.org/10.1007/s10878-009-9224-ydb/journals/jco/jco21.html#FavaronKS11